Write Pulse

{
  "public": {
    "Sr25519": "0x9204c197905af474c1edfc5ae3e8263dcf53746156df77c73741daa0d5a08145"
  },
  "pulses": [
    {
      "round": "25,553,531",
      "signature": "0xb57bea07ed03810ab7a655da55ab653ad6f575ff3f38219547ca0f2a83a6858cf7c140e54cc030d730bf96e43db1d683",
      "randomness": "0x07990f5ba1d616c82c008125d3b5d75c02e710852712da1ae29d1b873be40f05"
    }
  ],
  "blockNumber": "7,408,718"
}

{
  "Sr25519": "0xaa6df8ba9000385904054fcb01a032602c6604f00b3053c9b72483261e750d045cc389da88dccbae7bceddbd9aa31c5678efada29b7376b11e828786395a5e89"
}